GSTCO’s activities are concentrated in the field of supplying raw materials for construction projects, international trading as well as researching into reserves of different countries, and providing business services (export and import) for mineral products as follows:
Some of our Customers
Mining zones extending over 200 hectares
more than 25 million tons of gypsum within 35 kilometers of Lengeh Port quay. These mines are geographically located across the Zagros Mountains.
Gypsum reserves were formed millions of years ago when saline oceans covered most of the Earth's surface. When the oceans retreated and were confined within lands, marshes formed. As evaporation continued, waters became more and
What is gypsum? Gypsum, or calcium sulfate dihydrate, is a very soft mineral with the chemical formula CaSO4·2H2O, also known as “aqueous calcium sulfate". In fact, gypsum is the same as natural hydrated calcium sulfate
Gypsum deposits in the world Falling under the category of calcium-based building materials, gypsum is the fifth most abundant substance in nature. Gypsum is found in almost all parts of the world. As for Iran,